package com.ganbo.pattern.facade.subsystem;

/**
 * 硬盘子系统
 *
 * @Author: ganbo
 * @Date: 2020/6/11 14:49
 */
public class Disk {

    public void start() {
        System.out.println("Disk is start.");
    }

    public void shutdown() {
        System.out.println("Disk is shutdown.");
    }
}
